When Madam Cuirie did the science experiement again, she was more careful where she _____ a mistake.
#104920
A
made
B
has made
C
was making
D
had made
推荐题目
 As she _____ the newspaper, Granny _____ asleep.
#104166
A
read ; was falling  
B
was reading; fell
C
was reading; was falling
D
read; fell
The film TITANIC ____ a true story.
#103178
A
based on
B
base on
C
was based on
D
had based on
  I don’t know if he ____ us; if he ____, I’ll let you know.
#103662
A
will come and help; comes
B
comes and helps; will come
C
will come and help; will come
D
comes and helps; comes